Mold for building constructions



March 6, 1951 s. KOSOROTOFF MOLD FOR BUILDING CONSTRUCTIONS Filed Feb. 19, 1948 slight extent.

Patented Mar. 6, 1951 N ED -TE S PATEN lb 'FICE" H v 2,544,602 MOLD ron BUILDING consgrnuc'rrous Sergei Kosorotoff,.Linz on-Dannbe, Austria 7. Applicatio'nFebruary 19119481 seri l No. 9,411

In Austria FebruaryZS, 194T v 1 This invention relates to a mould for building constructions using a lattice 'or honeyv combshaped supporting framework or skeleton of=con= vcrete, as described in my copending U. S. patent application Ser. No. 761,925 filed July 18, 1947. Such a mould comprises a plurality of box-shaped mould members detachably secured to an upright mould board, said members forming the openings in the skeleton to be produced. After setting of the concrete of the skeleton, each of these mould members must be withdrawn from said board in order to remove the whole mould assembly from the skeleton. 1

The main object of the present invention is to provide a mould wherein said mould members need not be withdrawn from the board after setting of the skeleton, but can remain on the board, so that they can be removed together with the latter from the skeleton. A further object of my invention is to provide means to clear each of the mould members from the skeleton, that is to displace the same relatively to the board to a With these and other ends in view, the present invention substantially consists in that the mould members bear on the rear side of the mould board, that is on the side opposite to the concrete, and pass through openings in this board. A further feature of my invention consists in that mould sheets or plates are detachably secured to the front side of the mould members, that is to the side opposite to the mould board, these sheets or plates covering the front side of the spaces formed between the several mould members. Thus these spaces are surrounded on all sides by the mould elements so that concrete setting or hardening relatively slowly may be employed for the construction of the skeleton.

A constructional form of the mould constructed in accordance with the present invention, is illustrated by way of example in the accompanying ,reduced scale.

The mould comprises a number of rectangular boards I consisting of iron sheets which are juxtaposed in an upright position and interconnected in any suitable manner. Each of these boards comprises a plurality of octagonal openings 2 and i reinforced on its rear side y a s es of T-irons reclaims; (01. 25-13 1) Y of each tube 8.

3 running horizontally welding orthe like. To each opening 2 is associated a mould member having the form of an octagonal box 4 open on its rear side. The front wall 5 of each box 4 is provided with a relatively large opening 6 in order to reduce the weight of the mould. A circumferential flange I provided on the rear side of, and integral with the box 4 bears on the rear side of the T-irons so that the boxes 4 pass through the openings 2 of the board I.

A tubular or hollow shaft 8 is rotatably mounted between the webs of two adjacent, parallel T-irons 3. For this purpose, sleeves 9 are inserted in the ends of the tube 8, the adjacent sleeves 9 of two tubes 8 being secured to the web of the T-iron 3 by means of a bolt 10 passing through a hole in this web, as shown in Fig. 3. In order to make accessible the bolts l0 and their units, slots H are provided in the tubes 8. Locking members l2 each of them comprising two arms including an angle of about are fixedly secured at both ends Each of these locking members 12 is surrounded by a circular stirrup l3 fixedly secured to the flange 1 of the box 4. The centre of the arc of circle forming the stirrup I3 is arranged slightly eccentrically to the axis of rotation of the tube 8 so that, when the tube 8 is turned by means of a handle l4 secured thereto, the box 4 is moved by the arms of the locking member 12 either in the direction X or in the direction Y according to the arrow in Fig. 1.

In the position shown in Fig. 1, the horizontal arm of the locking member l2 bears on the flange I so that the box 4 is pressed against the board I in the direction X. After the spaces l5 existing between the boxes 4 have been filled with concrete and the latter has set, the several tubes or shafts 8 are rotated in an anti-clockwise direction (see Fig. 1) so that the horizontal arm of each locking member l2 releases 'the flange 1, while the vertical arm moves the stirrup I3 and therefore also the box 4 in the direction Y. By

- this means, the several boxes 4 are cleared, one

after another, from the concrete and removed from the openings of the concrete skeleton to a slight extent, whereupon the whole mould comprising the boards I and boxes 4, can be removed. As shown in Fig. 1, the side walls of the boxes 4 diverge towards the board I so that they are easily loosened from the concrete, when moved in the direction Y. It is apparent that the camshaped locking members l2 may have another form than that illustrated in the drawings.

I and vertically between the openings 2-,and secured'to the board l-byriveting,"

3 Asshown-in Figspl and 4, on the front wall 5 of 'each box 4 there are secured eight hooks l6 engaging holes in hexagonal plates 11. Fig. 4 shows at the top the board I, in the middle part the boxes 4 secured thereto, and at the bottom 5 the plates l'l secured to the boxes 4. These plates are brought into position in the course of the concreting-:worlc and cover the spaces :45 on their front sideiso tliat tii's'ez spaces ware closed on 'all sides. 10

What I claim is:

1. A mould for building constructions, ,which comprises a mould board having a 'series'of open ings therein, a plurality of "boSr-ShaPQd HmIIId members passing through sa1d i'openjmgs; a :cir:- 16-- cumferential flange oneach iof's'aldnromdfihm i bers, said fianges bearing on the rear 'sideioffsaidt' board, locking means rotatably mounted onisaidll board, stirrup-shaped means secured on said mould member and surrounding -r'rfsaitil l lockingi'zo 1,289,660

means-,:--said -1dckingmeans'aheingaarranged ;relativelyste, "and lbeing adapted" 'w-i=cooperate -with-l 4 'saidistirrupeshapedmeans so as to alternatively force v'{s'jaid mould members against, or to withdraw them from said mould members.

REFERENCES CITED The {following references are of record in the fifiEor thisimatentu UNHJEDEFSTATES PATENTS Number"? Name Date 1311:4333 Geiger et a1. Jan. 2, 1917 1,289,069 Ambursen' e Dec. 31, 1918 

